Plastic flat mesh &lpar;also known as plastic culture mesh&rpar; is the plastic material in the extruder is heated&comma; the screw extrusion into a special rotating head is equipped with several small holes inside and outside the die&comma; the molten plastic flowing through the die pore forming two strands of molten material wire&comma; because thehead rotation&comma; two strand silk interrupted converge to the point thus&comma; formation of network&comma; after cooling into the net&period;